Tripplite
Tripp Lite 18in USB to Null Modem Serial Adapter FTDI w/ COM Retention M/F (u209-18n-null)
- SKU:
- 18211980
- MPN:
- u209-18n-null
- Availability:
- Usually ships the same or next business day. In stock at our IL, TX warehouses.
- Shipping:
- Calculated at Checkout
- Stock Update:
- 04/23/2026 11:45:06 PM PST
Bulk discount rates
Below are the available bulk discount rates for each individual item when you purchase a certain amount
| Buy 2 | and pay only $33.58 each 33.58 |
| Buy 3 | and pay only $30.89 each 30.89 |
| Buy 4 or above | and pay only $29.90 each 29.9 |
- Stock Update:
- 04/23/2026 11:45:06 PM PST
Description
This item is brand-new, factory sealed.
The U209-18N-NULL USB to Null Modem Serial FTDI Adapter Cable (M/F) allows you to connect a DTE serial device to a computer, laptop or tablet with a USB-A port. It supports data transfer speeds up to 256 Kbps-twice as fast as a built-in serial port. It solves DCE/DTE conflicts without additional cross-wired serial cables or adapters. No external power source is required. The compact 18-inch cable tucks away in your backpack or laptop bag for use anywhere.
The hot-swappable U209-18N-NULL with built-in FTDI chipset offers COM retention. It automatically reassigns the same COM port values to each port in case the cable is disconnected or the system is rebooted.
Premium foil and braid shielding delivers reliable, error-free signal quality and protection from EMI/RFI line noise. Molded nickel-plated connectors with gold-plated contacts ensure excellent conductivity. Integral strain relief ensures the cable and connectors last a long time. Works with Windows, Mac and Linux computers.
Features
Converts USB Port into RS-232 Null Modem Serial Port
- Solves DCE/DTE conflicts without additional cross-wired serial cables or adapters
- Supports data transfer speeds up to 256 Kbps-twice as fast as a built-in serial port
- No external power source required
- Portable 18 in. design fits perfectly into laptop bag
- COM retention for automatic reassigning of COM values to ports in case of disconnection or reboot
- Integrated FTDI FT232RL chipset
First-Rate Construction for Superior Signal Transfer
- Premium foil and braid shielding for EMI/RFI noise protection
- Molded nickel-plated connectors with gold-plated contacts for optimal signal quality
- Integral strain relief for long life
- Flexible PVC jacket easy to install in tight spaces
Broad Compatibility
- Compatible with Windows, Mac and Linux operating systems
Package Contents:
- U209-18N-NULL Data Transfer Cable
- Driver CD
- Owner's Manual
Features
- U209-18N-NULL Data Transfer Cable
- Driver CD
- Owner's Manual
Environmentally Friendly:
Yes
Environmental Compliance:
Restriction of Hazardous Substances (RoHS)
Country of Origin:
China
Specs
| Physical Characteristics | |
| Product Color | Black |
| Color Family | Black |
| Shipping Weight (Approximate) | 1.44 oz |
| Shipping Width | 3.70" |
| Shipping Height | 1.50" |
| Warranty | |
| Limited Warranty | 3 Year |
| General Information | |
| Brand Name | Tripp Lite series |
| Manufacturer Website Address | http://www.eaton.com |
| Marketing Information | The U209-18N-NULL USB to Null Modem Serial FTDI Adapter Cable (M/F) allows you to connect a DTE serial device to a computer, laptop or tablet with a USB-A port. It supports data transfer speeds up to 256 Kbps-twice as fast as a built-in serial port. It solves DCE/DTE conflicts without additional cross-wired serial cables or adapters. No external power source is required. The compact 18-inch cable tucks away in your backpack or laptop bag for use anywhere. The hot-swappable U209-18N-NULL with built-in FTDI chipset offers COM retention. It automatically reassigns the same COM port values to each port in case the cable is disconnected or the system is rebooted. Premium foil and braid shielding delivers reliable, error-free signal quality and protection from EMI/RFI line noise. Molded nickel-plated connectors with gold-plated contacts ensure excellent conductivity. Integral strain relief ensures the cable and connectors last a long time. Works with Windows, Mac and Linux computers. Features Converts USB Port into RS-232 Null Modem Serial Port Solves DCE/DTE conflicts without additional cross-wired serial cables or adapters Supports data transfer speeds up to 256 Kbps-twice as fast as a built-in serial port No external power source required Portable 18 in. design fits perfectly into laptop bag COM retention for automatic reassigning of COM values to ports in case of disconnection or reboot Integrated FTDI FT232RL chipset First-Rate Construction for Superior Signal Transfer Premium foil and braid shielding for EMI/RFI noise protection Molded nickel-plated connectors with gold-plated contacts for optimal signal quality Integral strain relief for long life Flexible PVC jacket easy to install in tight spaces Broad Compatibility Compatible with Windows, Mac and Linux operating systems More from the Manufacturer |
| Product Type | Data Transfer Cable |
| Product Name | U209-18N-NULL Data Transfer Cable |
| Manufacturer | Eaton Corporation |
| Manufacturer Part Number | U209-18N-NULL |
| Product Model | U209-18N-NULL |
| Technical Information | |
| Connector on Second End Details | 1 x 9-pin DB-9 RS-232 Serial - Female |
| Connector Plating | Nickel |
| Data Transfer Rate | 256 kbit/s |
| Cable Type | DB-9/USB |
| Connector on First End Details | 1 x USB Type A - Male |
| Connector Type on First End | USB Type A - Male |
| Connector Type on Second End | DB-9 RS-232 Serial - Female |
| Contact Plating | Gold |
| Cable Length | 1.50 ft |
| Features |
|
| Shielding | Yes |
| Device Supported |
|
Warranty Information
